Open source JDBC 3.0 type 4 driver for Microsoft SQL Server (6.5 up to 2012) and Sybase ASE. jTDS is a complete implementation of the JDBC 3.0 spec and the fastest JDBC driver for MS SQL Server. For more information see http://jtds.sourceforge.net/

Libmhash is a library that provides a uniform interface to several hash algorithms. It supports the basics for message authentication by following rfc2104 (HMAC). It also includes some key generation algorithms which are based on hash algorithms.

ADOdb is a PHP database class library to provide more powerful abstractions for performing queries and managing databases. ADOdb also hides the differences between the different databases so you can easily switch dbs without changing code.
There is also an outdated and unmaintained Python library

SchemaSpy analyzes database metadata to reverse engineer dynamic Entity Relationship (ER) diagrams. It works with just about any JDBC-compliant database (Oracle/MySQL/DB2/SQL Server/PostgreSQL/Sybase/etc) and can identify Ruby on Rails relationships.

GATE (General Architecture for Text Engineering) is an architecture, framework and development environment for developing, evaluating and embedding Human Language Technology. See http://gate.ac.uk for full details.

Open a Java class file binary to view or edit strings, attributes, methods and generate readable reports similar to the javap utility. In built verifier checks changes before saving the file. Easy to use Java Swing GUI.

Allows editing of any size file in hexadecimal, decimal and ASCII. A great tool that allows you to edit and analyze the contents for either the data or resource fork of any type of file. 68K, PPC and Carbon run on MacOS 7-9 and X.